<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件管理系统 - 错误提示</title>
</head>
<body>
    <div style="width: 800px; margin: auto">
        <h3>上传文件失败，请重新上传。<a href="/toUpload">返回</a></h3>
    </div>
</body>
</html>
